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- The Navien® NHW700-199SU-NG is a premium 199,000 BTU/hr non-condensing tankless water heater designed to supply continuous hot water for both residential and light commercial settings. As part of the NHW-S/NHW-SU Universal Series, it runs on natural gas and is uniquely engineered to serve as either an indoor or outdoor wall-hung unit.
- The NHW-S series is the first non condensing tankless water heater with a stainless steel heat exchanger to deliver unmatched durability and performance.
- Designed and manufactured by Navien® to burn gas at higher efficiency than other system on the market.
- Universal integrated control panel allows you to adjust water temperature, operation status and troubleshooting.
- Built-in Air Pressure Sensor (APS) monitors the vent system for blockage, automatically compensates for the range of vent lengths, helps maintain proper air/gas ratio during operation, and ensures consistent Domestic Hot Water output during changing conditions.
- Ensures proper system setup, and reduces the need for additional components, saving installation time and cost.
- Built-in Water Adjustment Valve (WAV) and Mixing Valve control flow to maintain setpoint, and stabilize water temperature during flow changes
- Flow Rate9.5 gpmFuel TypeNatural GasHeating Capacity199,900 BTU/hrIndoor / OutdoorIndoor / OutdoorUltra Low NOxYesVent TypeForced Draft DirectDimensions23 in H x 14 in W x 9.3 in DManufacturerNAVIEN INCManufacturer #NHW700-199SU, NGMaterialCold Rolled Carbon SteelMounting TypeWallPressure Rating15 to 150 psiSeriesNHW-STemperature Rating98 to 140 deg F